Laboratory 4: Diffusion and Osmosis

Laboratory 4: Diffusion and Osmosis

Materials:
-Microscope
-Brownian movement
-Timer
-IKI
-Methylene Blue
-Agar plate
-Thistle Tube Apparatus
-Hot Water Bath
-Cold Water Bath
-Dialysis Tube
-Thermometer
-Beakers
-String
-Perfume

Exercises:
- Learn where the energy comes from (movement of molecules in diffusion)
- Learn if gases diffuse into other gases
- Learn if liquids diffuse into solids
- Learn which membranes are selectively permeable or permeable
- Learn how warming the external environment affects diffusion
- Learn how cooling the external environment affects diffusion

Lab 3: Plants and Energy

Materials:
- potato
- sweet potato
- yam
- rudebaga
- apple
- pear
- prism
- slides of leaves
- stain

Exercises:
- Determine where the glucose is stored
- Determine what you would use to find sugars stored in plants
- Determine the cross-section of the plant and identify the structures and their functions
- Determine how plants acquire energy from sunlight for photosynthesis
- Determine where the chemicals for photosynthesis enter and leave the plant

Lab 3: Plants and Energy

Materials:
- potato
- sweet potato
- yam
- rudebaga
- apple
- pear
- prism
- slides of leaves
- stain

Exercises:
- Determine where the glucose is stored
- Determine what you would use to find sugars stored in plants
- Determine the cross-section of the plant and identify the structures and their functions
- Determine how plants acquire energy from sunlight for photosynthesis
- Determine where the chemicals for photosynthesis enter and leave the plant

Materials:
- compound light microscope
-stereomicroscope (dissecting scope)
-slides
       -the letter e
       -Threads
       -Paramecium
       -Volvox
-IKI
-water
-coverslip
-paper towel
-potato
-onion cells
-ruler
-lab manuel

Exercises
- Familiarize yourself on how to use the compound light microscope
- Familiarize yourself on how to use the stereo miscroscope
- Familiarize yourself with the different parts of the compound light microscope
- Familiarize yourself with the different parts of the stereomicroscope
- Learn how to make we mount slides
- Learn how to stain slides
- Use the information you learned throughout Part I in a forensic crime simulation

Lab 1: Scientific Method

Materials 

Blind

Penney for random selection

Data sheet for data collection

Computer for statistical analysis                                                                                                                                                                                                                                                                               

Exercises

Conduct an experiment on Therapeutic Touch

Test hypothesis that humans have energy fields and are capable of detecting them